Strange but true, facts about the human body

by Tonny Fast
(China)

Strange but true, facts about the human body

A cavity develops when a tooth decays, this usual happens when you don’t brush your teeth well enough, or don’t floss. Cavities can grow bigger and deeper over time, and they hurt! Cavities are also called dental caries. Most cavities are in the molars!The BrainThe brain is the part of the body protected by the skull, it thinks, and helps you in everyday life. Did you know when you look around, or see things you are using very little of your brain!? When you think, or speak, you use, a lot of your brain, guess speaking isn’t so simple after all! The brain uses over ¼ of the oxygen that has entered the body!

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